WEBVTT TO THEDUFFEY FAMILY.AUBREY: THIS IS KATIE DUFFEY.SHE'S 2-YEARS-OLD AND DIAGNOSEDrtWITH A RARE DISORDER CALLEDCONGENITAL NEPHROTIC SYNDROME,AFFECTING HER KIDNEYS.>> IT AFFECTS SO MANY OTHERTHINGS.rtLAKE HER THYROID, HERCHOLESTEROL, HER HEART.>> SHE'S PROBABLY GOT 8 OR 9DIFFERENT DOCTORS.AUBREY: THE INHERITED DISORDERIS CAUSED BY A DEFECT IN THEPROTEIN CALLED NEPrtHRIN, FOUND INTHE KIDNEY.CORI NOTICED KATIE HAVINGSEIZURE-LIKE EPISODES, BUT HADNO IDEA WHY.>> REALLY PUFFY EYES, THEYrtTHOUGHT IT WAS BLOCKED DUCTS.TEAR DUCTS.SHE WAS KIND OF PUFFY, IT'S HARDTO DIAGNOSE UNLESS THEY GIVE YOUSIGNS.rtAUBREY: THE FAMILY NOW PLANS TOGO T MUSC IN CHARLESTON FOR ArtTRANSPLANT PROCEDURE WHEREKATIE'S DAD DREW WILL DONATE ONEOF HIS KIDNEYS TO HER.>> I SCARED.>> I'M JUST SO GLAD THAT I CANGIVE HER THIS GIFT.>> HER BODY WILL JUST GROW INTOIT.rtAUBREY: OVER THE PAST TWO YEARSTHE DUFFEY'S HAVE SEEN KATIECHANGE PHYSICALLY BECAUSE OF THEDISORDER.>> I'M SO READY TO SEE HERLAUGH, SMILE, AND GIGGLE ANDHAVE A GOOD TIME AGAIN.rtAUBREY: KATIE'S OLDER BROTHERCRAWFORD DOESN'T HAVE THEDISORDER BECAUSE OF GENETICS.>> WE BOTH HAVE A FAULTY GENEAND IT IS KINDrt OF RARE THAT YOUHAVE THAT GENE, BUT IF YOU HAVECHILDREN, SOMEONE WITH THE SAMEGENE AS WELL, THEN THIS IS WHATrtWOULD HAPPEN.AUBREY: WITH SURGERY ANDRECOVERY THE DUFFEY'S EXPECT TOBE IN CHARLESTON FOR ABOUT 6WEEKS.>> YOU WANNA WAVE BYE BYE?>> BYE BYErt.